cd

Definitions of cd
  1. noun
    the basic unit of luminous intensity adopted under the Systeme International d'Unites; equal to 1/60 of the luminous intensity per square centimeter of a black body radiating at the temperature of 2,046 degrees Kelvin
    synonyms: candela, candle, standard candle
    see moresee less
    type of:
    candlepower unit, luminous intensity unit
    a measure of luminous intensity
  2. adjective
    being one hundred more than three hundred
    synonyms: 400, four hundred
    cardinal
    being or denoting a numerical quantity but not order
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